Dòng Nội dung
1
Introduction to reference work :. [by] William A. Katz. Vol. II, Reference Services /
New York : McGraw-Hill, [1969]
xi, 254 p. ; 23 cm.
2
Introduction to reference work :. Basic information services . / Wiliam A.Katz Volume 1 / :
Boston : McGraw-Hill, 2002.
xiii, 504 p. ; 24 cm.
3
Learn Reference work : First north american edition / Clara Loewen Sitter; Mary Gosling; Colin Gray.
Friendswood, Tex. : TotalRecall Publications, ©2007.
1 online resource (215 p.) : forms.



4
Reference and information services in the 21st century : An Introduction / Kay Ann Cassell, Uma Hiremath.
Neal-Schuman Publishers,Inc : New York , 2004.
xiv, 378 pages : forms ; 23 cm
5
Understanding reference transactions : transforming an art into a science / Matthew L Saxton; John V Richardson.
San Diego, Calif. : Academic Press, ©2002.
1 online resource (xviii, 208 pages) : illustrations ; 21 cm